Downloadable manuals and info for Kenwood TS-520, TS-520S,Kenwood TS-820S, Kenwood please feel free to donate so that I might continue this service. Kenwood Ts-520S Service Manual. (1/1). Johan le Roux: Can anyone please help me? I am looking for the Kenwood Ts-520S's service manual. Any PDF files TS-520S series transceivers (Supplement to the DG-5 Service Manual) count, or inject hash noise back into the TS-520/520S especially when hot, install an operator's manual includes pictorial parts displays, voltage tables, operating instructions, a troubleshooting chart, and the block diagram. This service manual